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Finding the Fourth Proportional to 19,604.67, 29,390.48 and 8,503.00

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Solution

The fourth proportional to 19,604.67, 29,390.48 and 8,503.00 is: 12,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.67 : 29,390.48 = 8,503.00 : x
  2. Step 2: Convert to fraction form
    19,604.67/29,390.48 = 8,503.00/x
  3. Step 3: Cross multiply
    19,604.67x = 29,390.48 × 8,503.00
  4. Step 4: Simplify right side
    19,604.67x = 249,907,266.92
  5. Step 5: Solve for x
    x = 249,907,266.92/19,604.67
  6. Step 6: Final answer
    x = 12,747.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.